A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generatesnappropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?

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#Question id: 3656

#Unit 3. Fundamental Processes

In nucleotide excision repair, an endonuclease makes nicks on either side of the lesion.

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#Question id: 13133

#Unit 10. Ecological Principles

The diagram below depicts three general types of survivorship curves. Only the form of the curve is important, not its absolute scale. Which of the following statements is LEAST likely to be true?

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#Question id: 11107

#Unit 7. System Physiology – Animal

Which one of the following is NOT a factor influencing respiratory rate and depth:

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#Question id: 3731

#Unit 3. Fundamental Processes

RNA primers are synthesized about once every ________.

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#Question id: 15961

#Unit 12. Applied Biology

In somatic hybridization experiments, only the heterokaryotic or 'hybrid' protoplasts, form only a small proportion of the population. Therefore, an effective strategy has to be employed for their identification and isolation, this step is called;